Update plugin spotless to v7.1.0 (#477)

Author: slack-oss-bot

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ lint = { id = "com.android.lint", version = "8.11.1" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 ksp = { id = "com.google.devtools.ksp", version = "2.0.21-1.0.27" }
 mavenPublish = { id = "com.vanniktech.maven.publish", version = "0.30.0" }
-spotless = { id = "com.diffplug.spotless", version = "7.0.0.BETA4" }
+spotless = { id = "com.diffplug.spotless", version = "7.1.0" }
 
 [libraries]
 autoService-annotations = "com.google.auto.service:auto-service-annotations:1.1.1"